Space-saving MVHR in small London end-terrace new build annexe

MVHR installed in black-clad eco home central London

Heat, Space and Light has installed an MVHR system into a small two-bedroom home built on what was previously the side garden area of a London end-terrace. With a floor area of less than 95m2, every square metre counted for this project internally. The Heat, Space and Light design team worked very hard to ensure … Read more

Is this how all new homes should be built in 2023? (Case Study)

MVHR kitchen extract grille with grease filter in luxury home

Heat, Space and Light Ltd has completed the design, supply and commissioning of a Passivhaus-specification MVHR ventilation system for a luxury new build in the northwest of England. The home was also tested by our building airtightness team and achieved an incredibly airtight result of 0.76 m3hr/m2 @50Pa. It’s only slightly shy of a fully-certified … Read more

North Scotland new build built airtight with MVHR

Air permeability testing a new build in Skye

Heat, Space and Light Ltd has completed the fabric airtightness permeability testing and design, supply and commissioning of an MVHR system at a new build in the beautiful Isle of Skye. The low energy home, which faces a bracing cold wind from the ocean, was built in timber frame on site. The home is located … Read more

MVHR retrofitted carefully into mid-20th Century home low energy renovation

Retrofit MVHR system installed by Heat, Space and Light Ltd under stairs

The Heat, Space and Light Ltd team has completed the design, supply and commissioning of an MVHR system into a whole house deep energy retrofit project in Cambridge. The detached mid-20th Century home has been externally insulated with EPS insulation to make it much more energy efficient at retaining heat. The insulation applied externally also … Read more

Supremely Efficient Dutch Barn New Build with High Performance Cooling via MVHR

Cross-laminated timber beams on show with the MVHR supply valve at low level

Heat, Space and Light Ltd has recently completed the design, supply and commissioning of an MVHR system with cooling via a reversible air source heat pump at a Dutch barn-style new build in Northamptonshire. The home has been built with a series of cross-laminated timber beams gently curved to mimic the dutch barn shape. Now … Read more

MVHR system balancing and handover in Surrey luxury eco new build

MVHR system installed into plant room next to Air Source Heat Pump and hot water cylinder

Our MVHR design and commissioning team has recently completed the detailed ductwork design, supply of materials and balancing of our Mechanical Ventilation with Heat Recovery system (MVHR) at a highly sophisticated new build home in Surrey. As part of our turnkey MVHR design, supply and commissioning service we’ve issued the MVHR Ventilation Airflow Measurement and … Read more

Flat 51mm ducting MVHR system installation in low ceiling building

Flat 51mm semi-rigid ducting running pinned neatly to ceiling joists to prevent loss of room height

The Heat, Space and Light team has designed and supplied a flat 51mm semi-rigid ducting MVHR system for a basement home in London, in order not to lose any room height. The ducting measures a mere 51mm in height, is crush-proof and has smooth and anti-bacterial lining within the duct. Installed by our trusted installers … Read more

High performance MVHR upgrade to improve home comfort

Old MVHR unit before replacement in the loft

Heat, Space and Light Ltd has replaced and re-commissioned an under-performing MVHR unit with a brand new 91% efficient Zehnder MVHR in a self-built eco home in Glastonbury, Somerset. The old MVHR was a weak link in an otherwise exceptionally high performance, energy efficient home. The new MVHR unit now features Automatic Summer Bypass, important … Read more

Forensic airtightness test gives 30% lifetime heating bill savings

Airtightness Test Kit mounted in hallway of London retrofit 2021

Heat, Space and Light Ltd technicians have conducted forensic airtightness testing on a renovated London Victorian end-of-terrace. The results of the four-hour visit will have improved its comfort, energy efficiency and acoustics by up to 30 per cent, and lowered the home’s heating bills for life. The forensic airtightness pressure test was conducted over four … Read more

MVHR retrofit design and installation in a 100-year old cottage

Loft-fitted Zehnder Q350 MVHR with pre-heater by Heatspaceandlight.com

We have completed the design and first fix installation of a Zehnder Q350 MVHR system with ComfoTube ducting into a 100-year-old cottage that’s undergoing a low energy retrofit upgrade. The MVHR system will improve the indoor air quality, comfort and energy efficiency, but also protect the century-old building fabric by ensuring indoor humidity is dealt … Read more